Watanabe, Hirokazu
Current rating: 1421
Record: 16-21-1
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1455 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 580 | Ishida, Takehiro (1500) | Lost 1-2 | -181437 |
| 2standard | 797 | Itou, Nobuaki (1400) | Lost 0-2 | -181419 |
| 3standard | 1131 | Katori, Ryo (1464) | Won 2-0 | +181437 |
| 4standard | 881 | Yakushi, Hideki (1494) | Lost 1-2 | -161421 |
| top | average opponent: 1464record: 1-3 | new rating: 1421 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1451 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 2160 | Iitsuka, Yuuki (1500) | Won 2-1 | +181469 |
| 2sealed | 2205 | Higashi, Satoshi (1640) | Won 2-1 | +221491 |
| 3sealed | 2108 | Hiroi, Yuta (1422) | Lost 0-2 | -201471 |
| 4sealed | 2213 | Kawabata, Shou8056 (1484) | Lost 1-2 | -171454 |
| 5sealed | 2222 | Furukawa, Hiroki (1601) | Won 2-1 | +201474 |
| 6sealed | 2144 | Nakazawa, Masayuki (1382) | Lost 0-2 | -191455 |
| top | average opponent: 1505record: 3-3 | new rating: 1455 | ||
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1486 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 696 | Kida, Masata (1500) | Lost 1-2 | -181468 |
| 2sealed | 978 | Kento, Hatao (1483) | Won 2-1 | +191487 |
| 3sealed | 855 | Arimura, Yuuki (1500) | Lost 0-2 | -181469 |
| 4sealed | 1106 | Yokono, Yuusuke (1457) | Lost 1-2 | -181451 |
| top | average opponent: 1485record: 1-3 | new rating: 1451 | ||
| Grand Prix Nagoya 2012 (RTR standard) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 374 | Shibata, Yasumasa (1500) | Won 2-0 | +191485 |
| 2standard | 343 | Matsuyama, Takuya (1482) | Lost 1-2 | -181467 |
| 3standard | 362 | Ootsuki, Masahiro (1460) | Lost 0-2 | -181449 |
| 4standard | 728 | Kabe, Kazuki (1470) | Won 2-0 | +181467 |
| 5standard | 558 | Nasu, Hideki H (1380) | Won 2-1 | +171484 |
| 6standard | 341 | Sarashino, Takeshi (1519) | Won 2-1 | +181502 |
| 7standard | 239 | Yasufuku, Akihiro (1595) | Lost 0-2 | -161486 |
| top | average opponent: 1487record: 4-3 | new rating: 1486 | ||
| Grand Prix Yokohama 2012 (modern) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 320 | Shimoda, Tatsuro (1514) | Lost 1-2 | -181464 |
| 2modern | 474 | Watanabe, Katsuyoshi (1482) | Won 2-1 | +191483 |
| 3modern | 412 | Mitsuboshi, Daisuke (1498) | Won 2-1 | +181501 |
| 4modern | 310 | Kihara, Ryou (1599) | Lost 0-2 | -161485 |
| 5modern | 494 | Kinpara, Tsunahiro (1473) | Lost 1-2 | -191466 |
| top | average opponent: 1513record: 2-3 | new rating: 1466 | ||
| Grand Prix Shizuoka 2008 (MOR standard) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 23 | suzuki, tomoji (1500) | Draw 1-1 | 01483 |
| 2standard | 223 | Kikkawa, Naotaka (1385) | Won 2-1 | +161499 |
| 3standard | 129 | Nagae, Hiroyuki (1450) | Won 2-0 | +181517 |
| 4standard | 97 | Tomioka, Takahiro (1559) | Lost 0-2 | -181499 |
| 5standard | 164 | Yamamoto, Yuuichirou (1519) | Lost 0-2 | -171482 |
| top | average opponent: 1483record: 2-2-1 | new rating: 1482 | ||
| Grand Prix Kobe 2001 (Invasion block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 255 | Yamanaka, Toshihisa (1451) | Lost 0-2 | -191481 |
| 2block | 560 | Baba, Nobuyuki (1482) | Lost 1-2 | -181463 |
| 3block | 548 | Fujisawa, Junichiro (1464) | Won 2-1 | +181481 |
| 4block | 429 | Miura, Masaru (1482) | Won 2-0 | +181499 |
| 5block | 369 | Hashimoto, Soichiro (1467) | Lost 0-2 | -181481 |
| 6block | 387 | Kageyama, Tarou (1609) | Won 2-0 | +201501 |
| 7block | 301 | Kamata, Tsukasa (1500) | Lost 1-2 | -181483 |
| top | average opponent: 1494record: 3-4 | new rating: 1483 | ||